linux-kernel - [PATCH v14 7/8] arm64: dts: ti: k3-j721s2-main: Add PCIe device tree node

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Message-ID: <20230331090028.8373-8-r-gunasekaran@ti.com>
Date:   Fri, 31 Mar 2023 14:30:27 +0530
From:   Ravi Gunasekaran <r-gunasekaran@...com>
To:     <nm@...com>, <afd@...com>, <vigneshr@...com>, <kristo@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <s-vadapalli@...com>, <vaishnav.a@...com>, <r-gunasekaran@...com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v14 7/8] arm64: dts: ti: k3-j721s2-main: Add PCIe device tree node

From: Aswath Govindraju <a-govindraju@...com>

Add PCIe1 RC device tree node for the single PCIe instance present on
the J721S2.

Reviewed-by: Siddharth Vadapalli <s-vadapalli@...com>
Signed-off-by: Aswath Govindraju <a-govindraju@...com>
Signed-off-by: Vignesh Raghavendra <vigneshr@...com>
Signed-off-by: Matt Ranostay <mranostay@...com>
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@...com>
---
Changes from v13:
* No changes. Only rebased on top of linux-next

Changes from v12:
* No change

Changes from v11:
* Cleaned up comments

Changes from v10:
* Removed Link tag from commit message

Changes from v9:
* No change

Changes from v8:
* No change

Changes from v7:
* No change

Changes from v6:
* Remove the pcie_ep node as device cannot act as RC and EP
  at the same time

Changes from v5:
* No change

Changes from v4:
* No change

Changes from v3:
* No change

Changes from v2:
* Patch newly added to the series

 arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
index 931263919086..6629b2989180 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
@@ -847,6 +847,49 @@
 		};
 	};
 
+	pcie1_rc: pcie@...0000 {
+		compatible = "ti,j7200-pcie-host", "ti,j721e-pcie-host";
+		reg = <0x00 0x02910000 0x00 0x1000>,
+		      <0x00 0x02917000 0x00 0x400>,
+		      <0x00 0x0d800000 0x00 0x800000>,
+		      <0x00 0x18000000 0x00 0x1000>;
+		reg-names = "intd_cfg", "user_cfg", "reg", "cfg";
+		interrupt-names = "link_state";
+		interrupts = <GIC_SPI 330 IRQ_TYPE_EDGE_RISING>;
+		device_type = "pci";
+		ti,syscon-pcie-ctrl = <&scm_conf 0x074>;
+		max-link-speed = <3>;
+		num-lanes = <4>;
+		power-domains = <&k3_pds 276 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 276 41>;
+		clock-names = "fck";
+		#address-cells = <3>;
+		#size-cells = <2>;
+		bus-range = <0x0 0xff>;
+		vendor-id = <0x104c>;
+		device-id = <0xb013>;
+		msi-map = <0x0 &gic_its 0x0 0x10000>;
+		dma-coherent;
+		ranges = <0x01000000 0x0 0x18001000  0x00 0x18001000  0x0 0x0010000>,
+			 <0x02000000 0x0 0x18011000  0x00 0x18011000  0x0 0x7fef000>;
+		dma-ranges = <0x02000000 0x0 0x0 0x0 0x0 0x10000 0x0>;
+		#interrupt-cells = <1>;
+		interrupt-map-mask = <0 0 0 7>;
+		interrupt-map = <0 0 0 1 &pcie1_intc 0>, /* INT A */
+				<0 0 0 2 &pcie1_intc 0>, /* INT B */
+				<0 0 0 3 &pcie1_intc 0>, /* INT C */
+				<0 0 0 4 &pcie1_intc 0>; /* INT D */
+
+		status = "disabled"; /* Needs gpio and serdes info */
+
+		pcie1_intc: interrupt-controller {
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			interrupt-parent = <&gic500>;
+			interrupts = <GIC_SPI 324 IRQ_TYPE_EDGE_RISING>;
+		};
+	};
+
 	main_mcan0: can@...1000 {
 		compatible = "bosch,m_can";
 		reg = <0x00 0x02701000 0x00 0x200>,
-- 
2.17.1